As marketers, we always hear the term, the money is in the list. Other's have said, the money is in the relationship you build with the list. However, there is more to these core email concepts. Irregardless of how big your list is or the relationship you are able to build, successful email segmentation has huge benefits no online marketer should ignore. Successful email segmentation can direct relevant and focused content to your list, enhance engagement, and significantly increase your ROI per subscriber. Read more about how you can monopolize on this at http://www.howtointernetmarket.net/successful-email-segmentation/